How to prohibit web file download? How do I disable it based on file size?

Peer download is very common, prohibit it is not difficult, wfilter products can be done, but in the network work, a lot of file page download can be done, some file download related LAN Security, some file download involves LAN network security, how to prohibit file download is not or lack of internet management part. Now a lot of web browsing format, a lot of pages in addition to text, there are pictures, animation (Flash), these belong to the page download, so Wfilter products do not have a key to prohibit the download of the page, but the use of black and white list, if a key all banned, then will lead to normal web browsing in the picture, Animations and even some script files cannot be opened.

1. Select "Web File download black and white list" in black and white list in blocking policy level
   

650) this.width=650; "Src=" Http://www.imfirewall.com/blog/zb_users/upload/2016/12/201612201482214451117964.png " Title= "201612201482214451117964.png" alt= "201612201482214451117964.png" style= "width:900px;" width= "vspace=" 0 "border=" 0 "/>

2. In addition, there are various types of Web download files, according to LAN management requirements, set the relevant prohibition (blacklist) or only open (whitelist)

650) this.width=650; "Src=" Http://www.imfirewall.com/blog/zb_users/upload/2016/12/201612201482214644182681.png " Title= "201612201482214644182681.png" alt= "201612201482214644182681.png" style= "width:900px;" width= "vspace=" 0 "border=" 0 "/>

3. In addition, it is possible to limit the file size. This restriction is based only on the file size, regardless of the file type.

650) this.width=650; "Src=" Http://www.imfirewall.com/blog/zb_users/upload/2016/12/201612201482215165787189.png " Title= "201612201482215165787189.png" alt= "201612201482215165787189.png" style= "width:900px;" width= "vspace=" 0 "border=" 0 "/>

4. When you do this, you will have a more granular management of Web file downloads. It may not be very important for primary network management, but if your requirements for network management are more sophisticated and the download requirements are stricter, you can refer to this practice entirely. For small files, Web page download is more convenient than peer-to download, and occupies a lot of resources.

How to prohibit web file download? How do I disable it based on file size?